:root{--line: #c9c9c9;--band: #efefef;--blue: #1f6fb5;--red: #c0392b;--bg: #fafafa}*{box-sizing:border-box}body{font-family:-apple-system,Segoe UI,Malgun Gothic,Apple SD Gothic Neo,sans-serif;margin:0;color:#222;background:var(--bg)}.shell{max-width:1400px;margin:0 auto;padding:20px 24px 60px}.topbar{display:flex;align-items:baseline;gap:18px;margin-bottom:18px}.topbar h1{font-size:20px;margin:0}.topbar .sub{color:#666;font-size:13px;flex:1}.tabs{display:flex;gap:6px;margin-bottom:18px}.tabs button{padding:7px 16px;font-size:13px;border:1px solid var(--line);border-radius:5px;background:#fff;cursor:pointer}.tabs button.active{background:#222;color:#fff;border-color:#222}.panel{background:#fff;border:1px solid var(--line);border-radius:6px;padding:16px 18px;margin-bottom:18px}.panel h2{font-size:14px;margin:0 0 12px}.grid{display:flex;flex-wrap:wrap;gap:14px 26px}.field{display:flex;flex-direction:column;gap:3px}.field label{font-size:12px;color:#555}.field input,.field select{padding:5px 7px;font-size:13px;border:1px solid var(--line);border-radius:4px}.field input.num{width:120px;text-align:right}.field input.txt{width:240px}.btn{padding:7px 14px;font-size:13px;border:1px solid var(--line);border-radius:5px;background:#fff;cursor:pointer}.btn.primary{background:#222;color:#fff;border-color:#222}.btn.small{padding:4px 10px;font-size:12px}.btn:disabled{opacity:.5;cursor:default}.btnrow{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}.tablewrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:6px}table.sheet{border-collapse:collapse;min-width:1200px;width:100%}.sheet th,.sheet td{padding:5px 8px;font-size:12px;text-align:right;border-bottom:1px solid #eee;white-space:nowrap}.sheet th{background:var(--band);border-bottom:1px solid var(--line)}.sheet td:first-child,.sheet th:first-child{text-align:left}.sheet tr.total td{font-weight:700;border-top:1px solid var(--line)}.sheet tr.pay td{font-weight:700;color:var(--blue);border-top:1px solid var(--line);border-bottom:2px solid var(--line)}.sheet td.neg{color:var(--red)}.sheet td.reimb,.sheet th.reimb{background:#f7f7ff}.note{font-size:12px;color:#777;margin-top:10px;line-height:1.6}.msg{font-size:13px;margin:8px 0}.msg.err{color:var(--red)}.msg.ok{color:#1e7e34}.months{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px}.mcard{border:1px solid var(--line);border-radius:6px;padding:12px 14px;background:#fff}.mcard h3{margin:0 0 4px;font-size:14px}.mcard .amt{font-size:17px;font-weight:700;margin-bottom:8px}.login{max-width:340px;margin:120px auto;background:#fff;border:1px solid var(--line);border-radius:8px;padding:28px}.login h1{font-size:18px;margin:0 0 16px}.login input{width:100%;padding:8px 10px;font-size:14px;margin-bottom:12px;border:1px solid var(--line);border-radius:5px}table.log{width:100%;border-collapse:collapse}.log th,.log td{font-size:12px;text-align:left;padding:5px 8px;border-bottom:1px solid #eee;white-space:nowrap}.log th{background:var(--band)}.status-sent{color:#1e7e34;font-weight:600}.status-error{color:var(--red);font-weight:600}